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    /* automatically generated by rust-bindgen */

    use
    super::*;

    #[repr(C)]
    #[derive(Copy, Clone, Debug, Default, Eq, Hash, Ord, PartialEq, PartialOrd)]
    pub struct __BindgenBitfieldUnit<Storage, Align>
    where
        Storage: AsRef<[u8]> + AsMut<[u8]>,
    {
        storage: Storage,
        align: [Align; 0],
    }
    impl<Storage, Align> __BindgenBitfieldUnit<Storage, Align>
    where
        Storage: AsRef<[u8]> + AsMut<[u8]>,
    {
        #[inline]
        pub fn new(storage: Storage) -> Self {
            Self { storage, align: [] }
        }
        #[inline]
        pub fn get_bit(&self, index: usize) -> bool {
            debug_assert!(index / 8 < self.storage.as_ref().len());
            let byte_index = index / 8;
            let byte = self.storage.as_ref()[byte_index];
            let bit_index = if cfg!(target_endian = "big") {
                7 - (index % 8)
            } else {
                index % 8
            };
            let mask = 1 << bit_index;
            byte & mask == mask
        }
        #[inline]
        pub fn set_bit(&mut self, index: usize, val: bool) {
            debug_assert!(index / 8 < self.storage.as_ref().len());
            let byte_index = index / 8;
            let byte = &mut self.storage.as_mut()[byte_index];
            let bit_index = if cfg!(target_endian = "big") {
                7 - (index % 8)
            } else {
                index % 8
            };
            let mask = 1 << bit_index;
            if val {
                *byte |= mask;
            } else {
                *byte &= !mask;
            }
        }
        #[inline]
        pub fn get(&self, bit_offset: usize, bit_width: u8) -> u64 {
            debug_assert!(bit_width <= 64);
            debug_assert!(bit_offset / 8 < self.storage.as_ref().len());
            debug_assert!((bit_offset + (bit_width as usize)) / 8 <= self.storage.as_ref().len());
            let mut val = 0;
            for i in 0..(bit_width as usize) {
                if self.get_bit(i + bit_offset) {
                    let index = if cfg!(target_endian = "big") {
                        bit_width as usize - 1 - i
                    } else {
                        i
                    };
                    val |= 1 << index;
                }
            }
            val
        }
        #[inline]
        pub fn set(&mut self, bit_offset: usize, bit_width: u8, val: u64) {
            debug_assert!(bit_width <= 64);
            debug_assert!(bit_offset / 8 < self.storage.as_ref().len());
            debug_assert!((bit_offset + (bit_width as usize)) / 8 <= self.storage.as_ref().len());
            for i in 0..(bit_width as usize) {
                let mask = 1 << i;
                let val_bit_is_set = val & mask == mask;
                let index = if cfg!(target_endian = "big") {
                    bit_width as usize - 1 - i
                } else {
                    i
                };
                self.set_bit(index + bit_offset, val_bit_is_set);
            }
        }
    }
    pub type __uint8_t = ::cty::c_uchar;
    pub type __int16_t = ::cty::c_short;
    pub type __uint16_t = ::cty::c_ushort;
    pub type __int32_t = ::cty::c_long;
    pub type __uint32_t = ::cty::c_ulong;
    pub type __int64_t = ::cty::c_longlong;
    pub type __uint64_t = ::cty::c_ulonglong;
    #[mynewt_macros::safe_wrap(attr)] extern "C" {
        #[doc = "  Initialise the Mynewt system.  Start the Mynewt drivers and libraries.  Equivalent to `sysinit()` macro in C."]
        pub fn rust_sysinit();
    }
    pub type os_stack_t = u32;
    pub type os_time_t = u32;
    pub type os_event_fn = ::core::option::Option<unsafe extern "C" fn(ev: *mut os_event)>;
    #[repr(C)]
    pub struct os_event__bindgen_ty_1 {
        pub stqe_next: *mut os_event,
    }
    impl Default for os_event__bindgen_ty_1 {
        fn default() -> Self {
            unsafe { ::core::mem::zeroed() }
        }
    }
    #[doc = " Initialize a device."]
    #[doc = ""]
    #[doc = " - __`dev`__: The device to initialize."]
    #[doc = " - __`arg`__: User defined argument to pass to the device initalization"]
    #[doc = ""]
    #[doc = " Return: 0 on success, non-zero error code on failure."]
    pub type os_dev_init_func_t = ::core::option::Option<
        unsafe extern "C" fn(arg1: *mut os_dev, arg2: *mut ::cty::c_void) -> ::cty::c_int,
    >;
    pub type os_dev_open_func_t = ::core::option::Option<
        unsafe extern "C" fn(arg1: *mut os_dev, arg2: u32, arg3: *mut ::cty::c_void) -> ::cty::c_int,
    >;
    pub type os_dev_suspend_func_t = ::core::option::Option<
        unsafe extern "C" fn(arg1: *mut os_dev, arg2: os_time_t, arg3: ::cty::c_int) -> ::cty::c_int,
    >;
    pub type os_dev_resume_func_t =
        ::core::option::Option<unsafe extern "C" fn(arg1: *mut os_dev) -> ::cty::c_int>;
    pub type os_dev_close_func_t =
        ::core::option::Option<unsafe extern "C" fn(arg1: *mut os_dev) -> ::cty::c_int>;
    #[repr(C)]
    pub struct os_dev__bindgen_ty_1 {
        pub stqe_next: *mut os_dev,
    }
    impl Default for os_dev__bindgen_ty_1 {
        fn default() -> Self {
            unsafe { ::core::mem::zeroed() }
        }
    }
    #[repr(C)]
    pub struct os_mutex__bindgen_ty_1 {
        pub slh_first: *mut os_task,
    }
    impl Default for os_mutex__bindgen_ty_1 {
        fn default() -> Self {
            unsafe { ::core::mem::zeroed() }
        }
    }
    pub type os_sanity_check_func_t = ::core::option::Option<
        unsafe extern "C" fn(arg1: *mut os_sanity_check, arg2: *mut ::cty::c_void) -> ::cty::c_int,
    >;
    #[repr(C)]
    pub struct os_sanity_check__bindgen_ty_1 {
        pub sle_next: *mut os_sanity_check,
    }
    impl Default for os_sanity_check__bindgen_ty_1 {
        fn default() -> Self {
            unsafe { ::core::mem::zeroed() }
        }
    }
    pub type os_task_func_t = ::core::option::Option<unsafe extern "C" fn(arg1: *mut ::cty::c_void)>;
    #[repr(C)]
    pub struct os_task__bindgen_ty_1 {
        pub stqe_next: *mut os_task,
    }
    impl Default for os_task__bindgen_ty_1 {
        fn default() -> Self {
            unsafe { ::core::mem::zeroed() }
        }
    }
    #[repr(C)]
    pub struct os_task__bindgen_ty_2 {
        pub tqe_next: *mut os_task,
        pub tqe_prev: *mut *mut os_task,
    }
    impl Default for os_task__bindgen_ty_2 {
        fn default() -> Self {
            unsafe { ::core::mem::zeroed() }
        }
    }
    #[repr(C)]
    pub struct os_task__bindgen_ty_3 {
        pub sle_next: *mut os_task,
    }
    impl Default for os_task__bindgen_ty_3 {
        fn default() -> Self {
            unsafe { ::core::mem::zeroed() }
        }
    }
    pub const sensor_type_t_SENSOR_TYPE_NONE: sensor_type_t = 0;
    pub const sensor_type_t_SENSOR_TYPE_ACCELEROMETER: sensor_type_t = 1;
    pub const sensor_type_t_SENSOR_TYPE_MAGNETIC_FIELD: sensor_type_t = 2;
    pub const sensor_type_t_SENSOR_TYPE_GYROSCOPE: sensor_type_t = 4;
    pub const sensor_type_t_SENSOR_TYPE_LIGHT: sensor_type_t = 8;
    pub const sensor_type_t_SENSOR_TYPE_TEMPERATURE: sensor_type_t = 16;
    pub const sensor_type_t_SENSOR_TYPE_AMBIENT_TEMPERATURE: sensor_type_t = 32;
    pub const sensor_type_t_SENSOR_TYPE_PRESSURE: sensor_type_t = 64;
    pub const sensor_type_t_SENSOR_TYPE_PROXIMITY: sensor_type_t = 128;
    pub const sensor_type_t_SENSOR_TYPE_RELATIVE_HUMIDITY: sensor_type_t = 256;
    pub const sensor_type_t_SENSOR_TYPE_ROTATION_VECTOR: sensor_type_t = 512;
    pub const sensor_type_t_SENSOR_TYPE_ALTITUDE: sensor_type_t = 1024;
    pub const sensor_type_t_SENSOR_TYPE_WEIGHT: sensor_type_t = 2048;
    pub const sensor_type_t_SENSOR_TYPE_LINEAR_ACCEL: sensor_type_t = 4096;
    pub const sensor_type_t_SENSOR_TYPE_GRAVITY: sensor_type_t = 8192;
    pub const sensor_type_t_SENSOR_TYPE_EULER: sensor_type_t = 16384;
    pub const sensor_type_t_SENSOR_TYPE_COLOR: sensor_type_t = 32768;
    pub const sensor_type_t_SENSOR_TYPE_USER_DEFINED_1: sensor_type_t = 67108864;
    pub const sensor_type_t_SENSOR_TYPE_USER_DEFINED_2: sensor_type_t = 134217728;
    pub const sensor_type_t_SENSOR_TYPE_USER_DEFINED_3: sensor_type_t = 268435456;
    pub const sensor_type_t_SENSOR_TYPE_USER_DEFINED_4: sensor_type_t = 536870912;
    pub const sensor_type_t_SENSOR_TYPE_USER_DEFINED_5: sensor_type_t = 1073741824;
    pub const sensor_type_t_SENSOR_TYPE_USER_DEFINED_6: sensor_type_t = -2147483648;
    pub const sensor_type_t_SENSOR_TYPE_ALL: sensor_type_t = 4294967295;
    pub type sensor_type_t = i64;
    pub const sensor_event_type_t_SENSOR_EVENT_TYPE_DOUBLE_TAP: sensor_event_type_t = 1;
    pub const sensor_event_type_t_SENSOR_EVENT_TYPE_SINGLE_TAP: sensor_event_type_t = 2;
    pub const sensor_event_type_t_SENSOR_EVENT_TYPE_FREE_FALL: sensor_event_type_t = 4;
    pub const sensor_event_type_t_SENSOR_EVENT_TYPE_SLEEP_CHANGE: sensor_event_type_t = 8;
    pub const sensor_event_type_t_SENSOR_EVENT_TYPE_WAKEUP: sensor_event_type_t = 16;
    pub const sensor_event_type_t_SENSOR_EVENT_TYPE_SLEEP: sensor_event_type_t = 32;
    pub const sensor_event_type_t_SENSOR_EVENT_TYPE_ORIENT_CHANGE: sensor_event_type_t = 64;
    pub const sensor_event_type_t_SENSOR_EVENT_TYPE_ORIENT_X_CHANGE: sensor_event_type_t = 128;
    pub const sensor_event_type_t_SENSOR_EVENT_TYPE_ORIENT_Y_CHANGE: sensor_event_type_t = 256;
    pub const sensor_event_type_t_SENSOR_EVENT_TYPE_ORIENT_Z_CHANGE: sensor_event_type_t = 512;
    pub const sensor_event_type_t_SENSOR_EVENT_TYPE_ORIENT_X_L_CHANGE: sensor_event_type_t = 1024;
    pub const sensor_event_type_t_SENSOR_EVENT_TYPE_ORIENT_Y_L_CHANGE: sensor_event_type_t = 2048;
    pub const sensor_event_type_t_SENSOR_EVENT_TYPE_ORIENT_Z_L_CHANGE: sensor_event_type_t = 4096;
    pub const sensor_event_type_t_SENSOR_EVENT_TYPE_ORIENT_X_H_CHANGE: sensor_event_type_t = 8192;
    pub const sensor_event_type_t_SENSOR_EVENT_TYPE_ORIENT_Y_H_CHANGE: sensor_event_type_t = 16384;
    pub const sensor_event_type_t_SENSOR_EVENT_TYPE_ORIENT_Z_H_CHANGE: sensor_event_type_t = 32768;
    pub type sensor_event_type_t = u32;
    #[doc = " Callback for handling sensor data, specified in a sensor listener."]
    #[doc = ""]
    #[doc = " - __`sensor`__: The sensor for which data is being returned"]
    #[doc = " - __`arg`__: The argument provided to sensor_read() function."]
    #[doc = " - __`data`__: A single sensor reading for that sensor listener"]
    #[doc = " - __`type`__: The sensor type for the data function"]
    #[doc = ""]
    #[doc = " Return: 0 on success, non-zero error code on failure."]
    pub type sensor_data_func_t = ::core::option::Option<
        unsafe extern "C" fn(
            arg1: *mut sensor,
            arg2: *mut ::cty::c_void,
            arg3: *mut ::cty::c_void,
            arg4: sensor_type_t,
        ) -> ::cty::c_int,
    >;
    #[doc = " Callback for trigger compare functions."]
    #[doc = ""]
    #[doc = " - __`type`__: Type of sensor"]
    #[doc = " - __`low_thresh`__: The sensor low threshold"]
    #[doc = " - __`high_thresh`__: The sensor high threshold"]
    #[doc = " - __`arg`__: Ptr to data"]
    pub type sensor_trigger_cmp_func_t = ::core::option::Option<
        unsafe extern "C" fn(
            arg1: sensor_type_t,
            arg2: *mut sensor_data_t,
            arg3: *mut sensor_data_t,
            arg4: *mut ::cty::c_void,
        ) -> ::cty::c_int,
    >;
    #[doc = " Callback for event notifications."]
    #[doc = ""]
    #[doc = " - __`sensor`__: The sensor that observed the event"]
    #[doc = " - __`arg`__: The opaque argument provided during registration"]
    #[doc = " - __`event`__: The sensor event type that was observed"]
    pub type sensor_notifier_func_t = ::core::option::Option<
        unsafe extern "C" fn(
            arg1: *mut sensor,
            arg2: *mut ::cty::c_void,
            arg3: sensor_event_type_t,
        ) -> ::cty::c_int,
    >;
    #[doc = " Callback for reporting a sensor read error."]
    #[doc = ""]
    #[doc = " - __`sensor`__: The sensor for which a read failed."]
    #[doc = " - __`arg`__: The optional argument registered with the callback."]
    #[doc = " - __`status`__: Indicates the cause of the read failure.  Determined by the"]
    #[doc = "               underlying sensor driver."]
    pub type sensor_error_func_t = ::core::option::Option<
        unsafe extern "C" fn(sensor: *mut sensor, arg: *mut ::cty::c_void, status: ::cty::c_int),
    >;
    #[repr(C)]
    pub struct sensor_listener__bindgen_ty_1 {
        pub sle_next: *mut sensor_listener,
    }
    impl Default for sensor_listener__bindgen_ty_1 {
        fn default() -> Self {
            unsafe { ::core::mem::zeroed() }
        }
    }
    #[repr(C)]
    pub struct sensor_notifier__bindgen_ty_1 {
        pub sle_next: *mut sensor_notifier,
    }
    impl Default for sensor_notifier__bindgen_ty_1 {
        fn default() -> Self {
            unsafe { ::core::mem::zeroed() }
        }
    }
    #[repr(C)]
    pub struct sensor_type_traits__bindgen_ty_1 {
        pub sle_next: *mut sensor_type_traits,
    }
    impl Default for sensor_type_traits__bindgen_ty_1 {
        fn default() -> Self {
            unsafe { ::core::mem::zeroed() }
        }
    }
    #[doc = " Read a single value from a sensor, given a specific sensor type"]
    #[doc = " (e.g. SENSOR_TYPE_PROXIMITY)."]
    #[doc = ""]
    #[doc = " - __`sensor`__: The sensor to read from"]
    #[doc = " - __`type`__: The type(s) of sensor values to read.  Mask containing that type, provide"]
    #[doc = "        all, to get all values."]
    #[doc = " - __`data_func`__: The function to call with each value read.  If NULL, it calls all"]
    #[doc = "        sensor listeners associated with this function."]
    #[doc = " - __`arg`__: The argument to pass to the read callback."]
    #[doc = " - __`timeout`__: Timeout. If block until result, specify OS_TIMEOUT_NEVER, 0 returns"]
    #[doc = "        immediately (no wait.)"]
    #[doc = ""]
    #[doc = " Return: 0 on success, non-zero error code on failure."]
    pub type sensor_read_func_t = ::core::option::Option<
        unsafe extern "C" fn(
            arg1: *mut sensor,
            arg2: sensor_type_t,
            arg3: sensor_data_func_t,
            arg4: *mut ::cty::c_void,
            arg5: u32,
        ) -> ::cty::c_int,
    >;
    #[doc = " Get the configuration of the sensor for the sensor type.  This includes"]
    #[doc = " the value type of the sensor."]
    #[doc = ""]
    #[doc = " - __`sensor`__: Ptr to the sensor"]
    #[doc = " - __`type`__: The type of sensor value to get configuration for"]
    #[doc = " - __`cfg`__: A pointer to the sensor value to place the returned result into."]
    #[doc = ""]
    #[doc = " Return: 0 on success, non-zero error code on failure."]
    pub type sensor_get_config_func_t = ::core::option::Option<
        unsafe extern "C" fn(
            arg1: *mut sensor,
            arg2: sensor_type_t,
            arg3: *mut sensor_cfg,
        ) -> ::cty::c_int,
    >;
    #[doc = " Send a new configuration register set to the sensor."]
    #[doc = ""]
    #[doc = " - __`sensor`__: Ptr to the sensor-specific stucture"]
    #[doc = " - __`arg`__: Ptr to the sensor-specific configuration structure"]
    #[doc = ""]
    #[doc = " Return: 0 on success, non-zero error code on failure."]
    pub type sensor_set_config_func_t = ::core::option::Option<
        unsafe extern "C" fn(arg1: *mut sensor, arg2: *mut ::cty::c_void) -> ::cty::c_int,
    >;
    #[doc = " Set the trigger and threshold values for a specific sensor for the sensor"]
    #[doc = " type."]
    #[doc = ""]
    #[doc = " - __`sensor`__: Ptr to the sensor"]
    #[doc = " - __`type`__: type of sensor"]
    #[doc = " - __`stt`__: Ptr to teh sensor traits"]
    #[doc = ""]
    #[doc = " Return: 0 on success, non-zero error code on failure."]
    pub type sensor_set_trigger_thresh_t = ::core::option::Option<
        unsafe extern "C" fn(
            arg1: *mut sensor,
            arg2: sensor_type_t,
            stt: *mut sensor_type_traits,
        ) -> ::cty::c_int,
    >;
    #[doc = " Clear the high/low threshold values for a specific sensor for the sensor"]
    #[doc = " type."]
    #[doc = ""]
    #[doc = " - __`sensor`__: Ptr to the sensor"]
    #[doc = " - __`type`__: Type of sensor"]
    #[doc = ""]
    #[doc = " Return: 0 on success, non-zero error code on failure."]
    pub type sensor_clear_trigger_thresh_t = ::core::option::Option<
        unsafe extern "C" fn(sensor: *mut sensor, type_: sensor_type_t) -> ::cty::c_int,
    >;
    #[doc = " Set the notification expectation for a targeted set of events for the"]
    #[doc = " specific sensor. After this function returns successfully, the implementer"]
    #[doc = " shall post corresponding event notifications to the sensor manager."]
    #[doc = ""]
    #[doc = " - __`sensor`__: The sensor to expect notifications from."]
    #[doc = " - __`event`__: The mask of event types to expect notifications from."]
    #[doc = ""]
    #[doc = " Return: 0 on success, non-zero error code on failure."]
    pub type sensor_set_notification_t = ::core::option::Option<
        unsafe extern "C" fn(arg1: *mut sensor, arg2: sensor_event_type_t) -> ::cty::c_int,
    >;
    #[doc = " Unset the notification expectation for a targeted set of events for the"]
    #[doc = " specific sensor."]
    #[doc = ""]
    #[doc = " - __`sensor`__: The sensor."]
    #[doc = " - __`event`__: The mask of event types."]
    #[doc = ""]
    #[doc = " Return: 0 on success, non-zero error code on failure."]
    pub type sensor_unset_notification_t = ::core::option::Option<
        unsafe extern "C" fn(arg1: *mut sensor, arg2: sensor_event_type_t) -> ::cty::c_int,
    >;
    #[doc = " Let driver handle interrupt in the sensor context"]
    #[doc = ""]
    #[doc = " - __`sensor`__: Ptr to the sensor"]
    #[doc = ""]
    #[doc = " Return: 0 on success, non-zero error code on failure."]
    pub type sensor_handle_interrupt_t =
        ::core::option::Option<unsafe extern "C" fn(sensor: *mut sensor) -> ::cty::c_int>;
    #[doc = " Reset Sensor function Ptr"]
    #[doc = ""]
    #[doc = " - __`Ptr`__: to the sensor"]
    #[doc = ""]
    #[doc = " Return: 0 on success, non-zero on failure"]
    pub type sensor_reset_t =
        ::core::option::Option<unsafe extern "C" fn(arg1: *mut sensor) -> ::cty::c_int>;
    #[repr(C)]
    pub struct sensor__bindgen_ty_1 {
        pub slh_first: *mut sensor_listener,
    }
    impl Default for sensor__bindgen_ty_1 {
        fn default() -> Self {
            unsafe { ::core::mem::zeroed() }
        }
    }
    #[repr(C)]
    pub struct sensor__bindgen_ty_2 {
        pub slh_first: *mut sensor_notifier,
    }
    impl Default for sensor__bindgen_ty_2 {
        fn default() -> Self {
            unsafe { ::core::mem::zeroed() }
        }
    }
    #[repr(C)]
    pub struct sensor__bindgen_ty_3 {
        pub slh_first: *mut sensor_type_traits,
    }
    impl Default for sensor__bindgen_ty_3 {
        fn default() -> Self {
            unsafe { ::core::mem::zeroed() }
        }
    }
    #[repr(C)]
    pub struct sensor__bindgen_ty_4 {
        pub sle_next: *mut sensor,
    }
    impl Default for sensor__bindgen_ty_4 {
        fn default() -> Self {
            unsafe { ::core::mem::zeroed() }
        }
    }
    #[doc = "  Represents a single temperature sensor raw value"]
    #[repr(C, packed)]
    #[derive(Default)]
    pub struct sensor_temp_raw_data {
        #[doc = "  Raw temp from STM32 Internal Temp Sensor is 0 to 4095"]
        pub strd_temp_raw: u32,
        pub _bitfield_1: __BindgenBitfieldUnit<[u8; 1usize], u8>,
    }
    impl sensor_temp_raw_data {
        #[inline]
        pub fn strd_temp_raw_is_valid(&self) -> u8 {
            unsafe { ::core::mem::transmute(self._bitfield_1.get(0usize, 1u8) as u8) }
        }
        #[inline]
        pub fn set_strd_temp_raw_is_valid(&mut self, val: u8) {
            unsafe {
                let val: u8 = ::core::mem::transmute(val);
                self._bitfield_1.set(0usize, 1u8, val as u64)
            }
        }
        #[inline]
        pub fn new_bitfield_1(strd_temp_raw_is_valid: u8) -> __BindgenBitfieldUnit<[u8; 1usize], u8> {
            let mut __bindgen_bitfield_unit: __BindgenBitfieldUnit<[u8; 1usize], u8> =
                Default::default();
            __bindgen_bitfield_unit.set(0usize, 1u8, {
                let strd_temp_raw_is_valid: u8 =
                    unsafe { ::core::mem::transmute(strd_temp_raw_is_valid) };
                strd_temp_raw_is_valid as u64
            });
            __bindgen_bitfield_unit
        }
    }
    #[mynewt_macros::safe_wrap(attr)] extern "C" {
        #[doc = "  Interpret `sensor_data` as a `sensor_temp_raw_data` struct that contains raw temp."]
        #[doc = "  Copy the sensor data into `dest`.  Return 0 if successful."]
        pub fn get_temp_raw_data(
            sensor_data: *mut ::cty::c_void,
            dest: *mut sensor_temp_raw_data,
        ) -> ::cty::c_int;
    }
    #[mynewt_macros::safe_wrap(attr)] extern "C" {
        #[doc = "  Interpret `sensor_data` as a `sensor_temp_data` struct that contains computed temp."]
        #[doc = "  Copy the sensor data into `dest`.  Return 0 if successful."]
        pub fn get_temp_data(
            sensor_data: *mut ::cty::c_void,
            dest: *mut sensor_temp_data,
        ) -> ::cty::c_int;
    }
    #[mynewt_macros::safe_wrap(attr)] extern "C" {
        #[doc = "  Return the Mynewt device for the Mynewt sensor."]
        pub fn sensor_get_device(s: *mut sensor) -> *mut os_dev;
    }
    #[mynewt_macros::safe_wrap(attr)] extern "C" {
        #[doc = "  Return the name for the Mynewt device.  Assumes name is non-null."]
        pub fn device_get_name(device: *mut os_dev) -> *const ::cty::c_char;
    }
    #[mynewt_macros::safe_wrap(attr)] extern "C" {
        #[doc = "  Return the NULL sensor."]
        pub fn null_sensor() -> *mut sensor;
    }
    #[mynewt_macros::safe_wrap(attr)] extern "C" {
        #[doc = "  Return non-zero if sensor is NULL."]
        pub fn is_null_sensor(p: *mut sensor) -> ::cty::c_int;
    }
    #[mynewt_macros::safe_wrap(attr)] extern "C" {
        #[doc = "  Return non-zero if sensor data is NULL."]
        pub fn is_null_sensor_data(p: *mut ::cty::c_void) -> ::cty::c_int;
    }
    #[mynewt_macros::safe_wrap(attr)] extern "C" {
        #[doc = "  Assume we are writing an object now.  Write the key name and start a child array."]
        #[doc = "  ```"]
        #[doc = "  {a:b --> {a:b, key:["]
        #[doc = "  ```"]
        pub fn json_helper_set_array(object: *mut ::cty::c_void, key: *const ::cty::c_char);
    }
    #[mynewt_macros::safe_wrap(attr)] extern "C" {
        #[doc = "  End the child array and resume writing the parent object."]
        #[doc = "  ```"]
        #[doc = "  {a:b, key:[... --> {a:b, key:[...]"]
        #[doc = "  ```"]
        pub fn json_helper_close_array(object: *mut ::cty::c_void, key: *const ::cty::c_char);
    }
    #[mynewt_macros::safe_wrap(attr)] extern "C" {
        #[doc = "  Assume we have called `set_array`.  Start an array item, assumed to be an object."]
        #[doc = "  ```"]
        #[doc = "  [... --> [...,"]
        #[doc = "  ```"]
        pub fn json_helper_object_array_start_item(key: *const ::cty::c_char);
    }
    #[mynewt_macros::safe_wrap(attr)] extern "C" {
        #[doc = "  End an array item, assumed to be an object."]
        #[doc = "  ```"]
        #[doc = "  [... --> [...,"]
        #[doc = "  ```"]
        pub fn json_helper_object_array_end_item(key: *const ::cty::c_char);
    }
    #[mynewt_macros::safe_wrap(attr)] extern "C" {
        #[doc = "  Encode an int value into the current JSON encoding value `coap_json_value`"]
        pub fn json_helper_set_int(object: *mut ::cty::c_void, key: *const ::cty::c_char, value: u64);
    }
    #[mynewt_macros::safe_wrap(attr)] extern "C" {
        #[doc = "  Encode an unsigned int value into the current JSON encoding value `coap_json_value`"]
        pub fn json_helper_set_uint(object: *mut ::cty::c_void, key: *const ::cty::c_char, value: u64);
    }
    #[mynewt_macros::safe_wrap(attr)] extern "C" {
        #[doc = "  Encode a float value into the current JSON encoding value `coap_json_value`"]
        pub fn json_helper_set_float(object: *mut ::cty::c_void, key: *const ::cty::c_char, value: f32);
    }
    #[mynewt_macros::safe_wrap(attr)] extern "C" {
        #[doc = "  Encode a text value into the current JSON encoding value `coap_json_value`"]
        pub fn json_helper_set_text_string(
            object: *mut ::cty::c_void,
            key: *const ::cty::c_char,
            value: *const ::cty::c_char,
        );
    }

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